Home / 13,470.48-20,207.97-6,074.78

Finding the Fourth Proportional to 13,470.48, 20,207.97 and 6,074.78

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Solution

The fourth proportional to 13,470.48, 20,207.97 and 6,074.78 is: 9,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.48 : 20,207.97 = 6,074.78 : x
  2. Step 2: Convert to fraction form
    13,470.48/20,207.97 = 6,074.78/x
  3. Step 3: Cross multiply
    13,470.48x = 20,207.97 × 6,074.78
  4. Step 4: Simplify right side
    13,470.48x = 122,758,870.96
  5. Step 5: Solve for x
    x = 122,758,870.96/13,470.48
  6. Step 6: Final answer
    x = 9,113.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.